h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1517

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

P33
Legend:
WDDR3:
WDR3:
WODR3:
RDR3:
RPOR3:
RODR3:
*
*
1
2
Write to P3DDR
Write to P3DR
Write to P3ODR
Read P3DR
Read port 3
Read P3ODR
Figure C-2 (d) Port 3 Block Diagram (Pin P33)
Notes: 1. Output enable signal
2. Open drain control signal
3. The IIC1 module is available as an option in the
H8S/2638, H8S/2639, H8S/2630.
Rev. 6.00 Feb 22, 2005 page 1457 of 1484
Q
Q
Q
P33ODR
P33DDR
WDDR3
WODR3
P33DR
Appendix C I/O Port Block Diagrams
WDR3
Reset
Reset
Reset
R
C
R
C
R
C
RODR3
RDR3
RPOR3
D
D
D
SCI module
IIC1 module
Serial transmit enable
Serial transmit data
TxD1
SCL1 output
IIC1 output enable
SCL1 input
REJ09B0103-0600
*
3